Duskmourn: House of Horror

Enduring Vitality | Enchantment Creature | Elk Glimmer | Vigilance Creatures you control have "{T}: Add one mana of any color." When Enduring Vitality dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.) | Valera Lutfullina

Fear of Exposure | Enchantment Creature | Nightmare | As an additional cost to cast this spell, tap two untapped creatures and/or lands you control. Trample | Josu Hernaiz

Frantic Strength | Enchantment | Aura | Flash Enchant creature Enchanted creature gets +2/+2 and has trample. | Flavio Greco Paglia

Grasping Longneck | Enchantment Creature | Horror | Reach When Grasping Longneck dies, you gain 2 life. | Mathias Kollros

Greenhouse // Rickety Gazebo | Enchantment // Enchantment | Room // Room | (You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.) Lands you control have "{T}: Add one mana of any color." // (You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.) When you unlock this door, mill four cards, then return up to two permanent cards from among them to your hand. | John Di Giovanni

Leyline of Mutation | Enchantment | | If Leyline of Mutation is in your opening hand, you may begin the game with it on the battlefield. You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells that you cast. | Sergey Glushakov

Moldering Gym // Weight Room | Enchantment // Enchantment | Room // Room | (You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.) When you unlock this door, search your library for a basic land card, put it onto the battlefield tapped, then shuffle. // (You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.) When you unlock this door, manifest dread, then put three +1/+1 counters on that creature. | Helge C. Balzer

Overlord of the Hauntwoods | Enchantment Creature | Avatar Horror | Impending 4—{1}{G}{G} (If you cast this spell for its impending cost, it enters with four time counters and isn't a creature until the last is removed. At the beginning of your end step, remove a time counter from it.) Whenever Overlord of the Hauntwoods enters or attacks, create a tapped colorless land token named Everywhere that is every basic land type. | Tiffany Turrill

Threats Around Every Corner | Enchantment | | When Threats Around Every Corner enters, manifest dread. Whenever a face-down permanent you control enters, search your library for a basic land card, put it onto the battlefield tapped, then shuffle. | Andrea Piparo

Walk-In Closet // Forgotten Cellar | Enchantment // Enchantment | Room // Room | (You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.) You may play lands from your graveyard. // (You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.) When you unlock this door, you may cast spells from your graveyard this turn, and if a card would be put into your graveyard from anywhere this turn, exile it instead. | Miklós Ligeti

Growing Dread | Enchantment | | Flash When Growing Dread enters, manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.) Whenever you turn a permanent face up, put a +1/+1 counter on it. | Maxime Minard